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Siemens
Siemens E81CC = 6201 = ECC801S Triple-Mica Matched Pair - C0 2‡ 7F - Munich - NO
Siemens E81CC = 6201 = ECC801S Triple-Mica Matched Pair - C0 2‡ 7F - Munich - NO
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$278.00 USD
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Product Summary
Stronger than time! This is the classic beauty in sound, admired by audiophiles for almost 60 years and will still be our top choice in the next 60 years. Particularly, the early '60s Siemens tone is considered the "reference sound" for serious classical listeners who need to upgrade the sound quality at phono stage.
Sound Characteristics
The airy and transparent sound produced by these vintage Siemens tubes has been unrivaled even to this day. The magically extended yet never tizzy highs, coupled with the slightly focused upper mid-range, deliver a clear presentation of the entire frequency spectrum, completed by the precise and deep controlled bass. And the most defining sound characteristic of Siemens ECC81 tubes is their ability to retrieve the deepest levels of detail in sound, and these hidden sonic layers can go a long way to revealing the subtle ambient clues that help complete building a truly 3D holographic presentation. While as quiet and analytical as the best Telefunken ECC83 tubes, Siemens ECC81's produce a warmer, smoother and more musical sound. To see how they compare to each other please also see Soundlumia's exclusive Telefunken ECC81 listings.
Professional Tube Testing
This set was tested and certified by RoeTest V11 tester with the following result:
Tube 1:
Measured transconductance (GM): 5.34/5.49 mA/V - 97%/100% (100% = 5.50 mA/V)
Measured plate current (IA): 9.467/9.572 mA - 95%/96% (100% = 10 mA)
Tube 2:
Measured transconductance (GM): 5.81/5.91 mA/V - 106%/107% (100% = 5.50 mA/V)
Measured plate current (IA): 10.285/10.472 mA - 103%/105% (100% = 10 mA)
NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.
Appearance & Cosmetic condition
Although most of the silkscreen has worn off, the two-line date codes etched in glass are perfectly visible on both tubes.
C0 2‡ 7F ( C = E81CC/6201, 2‡ = 2nd gen. Munich production, 7 = 1967, F = June)
Packaging
This pair of tubes will be packaged in new white boxes.
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